An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.
Classification: Parts of engines and motors, nesoi
NSN 5950-01-157-4133
NSN 5999-01-063-7408
NSN 5996-01-502-9215
NSN 5925-01-226-8881
NSN 6620-00-919-6710
NSN 6220-00-059-7607
NSN 5960-00-755-4224
NSN 6610-00-320-4162
NSN 5996-00-222-6049
NSN 5990-00-060-7009
NSN 5960-01-232-3100
NSN 5935-00-995-8655